3x+x-4=4x+8-12

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Solution for 3x+x-4=4x+8-12 equation: 



3x+x-4=4x+8-12

We move all terms to the left:

3x+x-4-(4x+8-12)=0

We add all the numbers together, and all the variables

3x+x-(4x-4)-4=0

We add all the numbers together, and all the variables

4x-(4x-4)-4=0

We get rid of parentheses

4x-4x+4-4=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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